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Finding the Fourth Proportional to 162,131.68, 243,221.88 and 56,932.12

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Solution

The fourth proportional to 162,131.68, 243,221.88 and 56,932.12 is: 85,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,131.68 : 243,221.88 = 56,932.12 : x
  2. Step 2: Convert to fraction form
    162,131.68/243,221.88 = 56,932.12/x
  3. Step 3: Cross multiply
    162,131.68x = 243,221.88 × 56,932.12
  4. Step 4: Simplify right side
    162,131.68x = 13,847,137,258.79
  5. Step 5: Solve for x
    x = 13,847,137,258.79/162,131.68
  6. Step 6: Final answer
    x = 85,406.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.